def _take_focus(self):
log("Focus -> world window", type="focus")
assert self.flags() & gtk.REALIZED
# Weird hack: we are a GDK window, and the only way to properly get
# input focus to a GDK window is to send it WM_TAKE_FOCUS. So this is
# sending a WM_TAKE_FOCUS to our own window, which will go to the X
# server and then come back to our own process, which will then issue
# an XSetInputFocus on itself. Note not swallowing errors here, this
# should always succeed.
now = gtk.gdk.x11_get_server_time(self.window)
send_wm_take_focus(self.window, now)
def do_map(self, *args):
gtk.Window.do_map(self, *args)
# We are being mapped, so we can focus ourselves.
# Check for the property, just in case this is the second time we are
# being mapped -- otherwise we might miss the special call to
# reset_x_focus in do_focus_in_event:
if not self.get_property("has-toplevel-focus"):
# Take initial focus upon being mapped. Technically it is illegal
# (ICCCM violating) to use CurrentTime in a WM_TAKE_FOCUS message,
# but GTK doesn't happen to care, and this guarantees that we
# *will* get the focus, and thus a real FocusIn event.
current_time = const["CurrentTime"]
send_wm_take_focus(self.window, current_time)
def test_send_wm_take_focus_large_time(self):
self.evs = []
win = self.window()
l.add_event_receiver(win, self)
gtk.gdk.flush()
send_wm.send_wm_take_focus(win, 0xff000000)
gtk.main()
assert len(self.evs) == 1
event = self.evs[0]
assert event is not None
assert event.window is win
assert event.message_type == "WM_PROTOCOLS"
assert event.format == 32
assert event.data == (l.get_xatom("WM_TAKE_FOCUS"), 0xff000000, 0, 0, 0)
